Nebusens, S.L.

Any device whose MAC address begins with 88:21:E3 has a network interface built by Nebusens, S.L.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

88:21:E3

Organization

Nebusens, S.L.

Address

C/ Adaja S/N, Edificio M2 Villamayor de la Armuña Salamanca ES 37185

Source

IEEE OUI registry

Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.